export const filterDate = (time, len = 6) => {
	let date = new Date(time); //时间戳为10位需*1000，时间戳为13位的话不需乘1000
	let Y = date.getFullYear() + '-';
	let M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
	let D = (date.getDate() < 10 ? '0' + date.getDate() : date.getDate()) + ' ';
	let h = (date.getHours() < 10 ? '0' + date.getHours() : date.getHours()) + ':';
	let m = (date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()) + ':';
	let s = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds();
	if (len === 6) {
		return Y + M + D + h + m + s
	} else if (len === 3) {
		return Y + M + D
	}
}